[fix] added eval for total margin and margin rate field

erpnext/accounts/doctype/pricing_rule/pricing_rule.json

@@ -764,7 +764,7 @@
    "label": "Type of Margin", 
    "length": 0, 
    "no_copy": 0, 
-   "options": "Percentage\nAmount", 
+   "options": "\nPercentage\nAmount", 
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0, 
@@ -1024,7 +1024,7 @@
  "issingle": 0, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2016-01-18 15:04:26.489659", 
+ "modified": "2016-01-18 17:00:59.492217", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Pricing Rule", 

erpnext/selling/doctype/quotation_item/quotation_item.json

@@ -458,6 +458,7 @@
    "allow_on_submit": 0, 
    "bold": 1, 
    "collapsible": 0, 
+   "depends_on": "", 
    "fieldname": "rate", 
    "fieldtype": "Currency", 
    "hidden": 0, 

erpnext/selling/doctype/sales_order_item/sales_order_item.json

@@ -468,7 +468,7 @@
    "label": "Margin Type", 
    "length": 0, 
    "no_copy": 0, 
-   "options": "Percentage\nAmount", 
+   "options": "\nPercentage\nAmount", 
    "permlevel": 0, 
    "precision": "", 
    "print_hide": 0,